Add DISABLE_TCP_TRANSPORT flag in the Transport API.

The new property allows disabling TCP-based transport ports which improves performance for stream connections.

BUG=41776
TEST=None

Review URL: http://codereview.chromium.org/7888022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@102060 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 14 insertions, 1 deletions

diff --git a/webkit/glue/p2p_transport.cc b/webkit/glue/p2p_transport.cc
index f79c21f..1dcb1d5 100644
--- a/webkit/glue/p2p_transport.cc
+++ b/webkit/glue/p2p_transport.cc
@@ -13,7 +13,8 @@ P2PTransport::Config::Config()
       tcp_receive_window(0),
       tcp_send_window(0),
       tcp_no_delay(false),
-      tcp_ack_delay_ms(0) {
+      tcp_ack_delay_ms(0),
+      disable_tcp_transport(false) {
 }
 
 P2PTransport::Config::~Config() {
diff --git a/webkit/glue/p2p_transport.h b/webkit/glue/p2p_transport.h
index 8e77d28..b60101a 100644
--- a/webkit/glue/p2p_transport.h
+++ b/webkit/glue/p2p_transport.h
@@ -8,6 +8,8 @@
 #include <string>
 #include <vector>
 
+#include "base/basictypes.h"
+
 namespace net {
 class Socket;
 }  // namespace net
@@ -79,6 +81,9 @@ class P2PTransport {
 
     // TCP ACK delay.
     int tcp_ack_delay_ms;
+
+    // Disable TCP-based transport when set to true.
+    bool disable_tcp_transport;
   };
 
   virtual ~P2PTransport() {}
diff --git a/webkit/plugins/ppapi/ppb_transport_impl.cc b/webkit/plugins/ppapi/ppb_transport_impl.cc
index 1fd89d8..efed706 100644
--- a/webkit/plugins/ppapi/ppb_transport_impl.cc
+++ b/webkit/plugins/ppapi/ppb_transport_impl.cc
@@ -223,6 +223,13 @@ int32_t PPB_Transport_Impl::SetProperty(PP_TransportProperty property,
       break;
     }
 
+    case PP_TRANSPORTPROPERTY_DISABLE_TCP_TRANSPORT: {
+      if (value.type != PP_VARTYPE_BOOL)
+        return PP_ERROR_BADARGUMENT;
+      config_.disable_tcp_transport = PP_ToBool(value.value.as_bool);
+      break;
+    }
+
     default:
       return PP_ERROR_BADARGUMENT;
   }